Description
In mpc8_read_header in libavformat/mpc8.c in Libav 12.3, an input file can result in an avio_seek infinite loop and hang, with 100% CPU consumption. Attackers could leverage this vulnerability to cause a denial of service via a crafted file.
References (2)
Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.libav.org/show_bug.cgi?id=1159
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html
Scores
CVSS v3
6.5
EPSS
0.0022
EPSS Percentile
44.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-835
Status
published
Products (2)
debian/debian_linux
8.0
libav/libav
12.3
Published
Jul 30, 2019
Tracked Since
Feb 18, 2026